224 THE CANADIAN ENTOMOLOGIST. 



Bombiis atrifascintus, n. sp. — $. Length, 1734 nim. Black, 

 clothed with unusually fine and long, black and pale yellowish-white 

 hair. Head, seen from in front, considerably longer than broad.* Eyes 

 comparatively small. Malar space about one-half the length of eye. 

 Face broad. Third segment of antenna slightly longer than fifth ; fifth a 

 little longer than fourth. Clypeus strongly arched, shining, sparsely and 

 rather coarsely punctured on sides. Labrum deeply cleft, sparsely clothed 

 with brownish pubescence. Head clothed with brownish-black pubescence, 

 mixed with whitish between bases of antennae. Thorax clothed with 

 pale yellowish-white pubescence, except a broad oval band of black 

 between the wings. Coxa?, trochanters and bases of femora of first and 

 second pairs of legs clothed with whitish pubescence ; femora elsewhere 

 than at base, tibiae and tarsi clothed with reddish-brown pubescence. 

 Coxas, trochanters and femora of third pair of legs clothed with long 

 yellowish-white hair ; corbiculifi rusty yellow, inner side of first tarsal seg- 

 ment light brown, hind tarsi elsewhere clothed with very fine yellowish 

 pubescence. Integument of legs brownish black. Wings stained with 

 brown, nervures dark brown. Abdomen rather robust. Dorsal surface : 

 segments one, two, four and five clothed with pale yellowish-white 

 pubescence ; extreme sides and lateral portions of the posterior margin of 

 segment three clothed with pale yellowish white, remainder of three 

 clothed with brownish-black pubescence ; segment six sparsely clothed 

 with short brownish yellow pubescence, velvety at apex. Ventral sur- 

 face : segments two, three, four and five are fringed apically with pale 

 yellowish-white hairs, much longer on sides than in the middle ; segment 

 six clothed at apex with brownish-yellow, velvety pubescence. 



Described from one $ specimen from Prof R. A. Cooley, taken at 

 Gallatin Co., Montana, elev. 9,400 ft., collected in July, 1900. Deposited 

 in collection of Mass. Agric. College. 



Psithynis latitarsus, n. sp. — 9- Length 19-20 mm. Integument 

 black, clothing black and yellow. Head seen from in front, a little longer 

 than broad. Malar space about one-fourth the length of eye. Clypeus 

 punctate. Third and fifth segments of antenna subequal, fourth segment 

 about two-thirds as long as third. Clothing of head black, slightly mixed 

 with yellow on vertex. Clothing of thorax brownish-yellow, except a 

 narrow band of black between the wings and a little black on sides of 



*In the type, ihe length of the head, measured from vertex to lia.se of the lahrum, 

 i.s 6 mm.; breadth 5 mm. 



